RSS
Sort by » date activity ▼ answers views votes

375 questions

Tagged
  • x
7
views
no
votes
no
answers
Last activity 2017-09-22 20:45:08 +0200 by Tgage

Issue using NRF_DRV_TWI_XFER_DESC_TXRX TWI master driver

At the very end of this post from Nordic Info center I am doing the exact example at the very end.

http://infocenter.nordicsemi.com/inde...

This is the start to do a transmit read transaction ===>

nrf_drv_twi_xfer_desc_t xfer = NRF_DRV_TWI_XFER_DESC_TXRX(addr ... (more)

25
views
no
votes
1
answer
Last activity 2017-09-22 11:28:10 +0200 by Bjørn Spockeli flag of Norway

bootloader_secure_ble with NRF_LOG RTT

I am trying to debug a custom version of the bootloader_secure_ble example but am running into FLASH space issues. The bootloader app does not fit into FLASH with -Og optimization OR with NRF_LOG activated. I am using SDK14 and S132 ... (more)

17
views
no
votes
no
answers
Last activity 2017-09-21 16:56:07 +0200 by DavidC

Set up MTU and DLE with SD 132 ver 4

Hello community,

I have a central device which I implemeted, it is running with SD 132 v 4 ("NRF_SD_BLE_API_VERSION=4") ) the chip is a NRF52832, I have some movement sensors which are able to send 8,20 and 30 bytes ... (more)

35
views
3
votes
1
answer
Last activity 2017-09-19 18:04:00 +0200 by endnode

Can I use a newer softDevice(v5) on an old SDK(SDK12.2 SoftDevice v3)?

Hello

I was wondering whether is possible to use an updated version of the softDevice into an older SDK, my current hw is a nRF52832pca10040 DK

For example, I am currently working with the SoftDevicev3 since I use SDK12.2 ... (more)

38
views
3
votes
1
answer
Last activity 2017-09-19 09:36:32 +0200 by Martin Børs-Lind flag of Norway

SPI master and DMA

Using softdevice s132, nRF52832 on a custom board

I don't quite understand how does the SPI work exactly?

I am using it on a battery powered low power sensor application, for this instance I have not set up a ... (more)

48
views
1
vote
1
answer
Last activity 2017-09-18 14:50:36 +0200 by Bjørn Kvaale

NRF52DK power consumption with demo UART

Hi, I am currently working to measure power consumption on a custom board and I found huge power consumption while advertising (BMD-300 1.15mA DCDC enabled).

So I have tried to do the measurement on my NRF52DK to see if ... (more)

30
views
no
votes
1
answer
Last activity 2017-09-18 12:57:05 +0200 by Joakim Jakobsen flag of Norway

nrf52832 s132 sdkv14.0 RAM/ROM Keil

I am struggling to figure out the correct IRAM/IROM settings in keil for the ble_app_beacon example in sdk 14.0.

I am currently using this example on an nrf52 DK and will then be deploying to a Red Bear ... (more)

28
views
no
votes
no
answers
Last activity 2017-09-17 22:40:30 +0200 by cswanson420

Halting at SVCall(SD_SOFTDEVICE_ENABLE, ...)

Hi,

I'm trying to write unit tests and have arrived at the point to write tests for ble characteristic addition to a service.

To offer some background, I have written a test harness called Yoke that will flash an ... (more)

30
views
no
votes
no
answers
Last activity 2017-09-15 16:06:03 +0200 by DavidC

get the min connection interval with 8 sensors

Hello community,

I did a central device which is connecting with 8 slaves and this slaves are sending every time 8 bytes when they are connected. My set up is the following:

#define MIN_CONNECTION_INTERVAL MSEC_TO_UNITS(10, UNIT_1_25_MS)  
#define MAX_CONNECTION_INTERVAL MSEC_TO_UNITS ...
(more)

163
views
no
votes
2
answers
Last activity 2017-09-15 14:19:08 +0200 by flip-flop flag of Croatia

NFRF52 NFC SENSE MODE Interrupt

Hello Everyone, I want to use NFC on nrf52 DK to wake up the board from System off. Is there any examples similar to this situation where I can learn more about NFC and Sense mode? I am using Softdevice ... (more)

50
views
no
votes
no
answers
Last activity 2017-09-15 11:51:02 +0200 by vishal

Power consumption issue with custom nRF52832?

Hello sir,

I have develop product on nRF52832 DK and now i using custom nrf52832 board Here. I want to continuously on my device with BLE advertising continuously no sleep mode. for high speed BLE through put and continuously advertising ... (more)

28
views
1
vote
1
answer
Last activity 2017-09-14 18:54:15 +0200 by erltot

SPIM, recieve on first transmit

ADS1118:

SPIM

How can I recieve the first 16 bits getting transmitted by the slave ? Will MOSI clock out p_txBuf while storing bits to arr_rxBuf if I set TX buffer len to 0, like this:

nrf_drv_spi_transfer(&spi, p_txBuf, NULL, arr_rxBuf, 2);

24
views
no
votes
1
answer
Last activity 2017-09-14 11:28:39 +0200 by Jørgen Holmefjord flag of Norway

LED1/2/3/4 are ON

I am running example: nrf5-ble-tutorial-advertising on a nRF52-DK. with SDK 11 and s132_nrf52_2.0.0 softdevice. When I flash the code to the nRF52-DK, LED1, LED2, LED3 and LED4 are ON. My Main.c code is:

/** @file
 *
 * @defgroup ble_sdk_app_template_main main ...
(more)

62
views
no
votes
1
answer
Last activity 2017-09-13 09:17:56 +0200 by Jørgen Holmefjord flag of Norway

ble app uart problems

hi i have a problem with ble app uart.i used nRF5_SDK_12.3.0_d7731ad and Eclipse Mars 2. I had build main.c in hex ble_app_uart\pca10040\s132 . And after that a maked mergehex with s132_nrf52_3.0.0_softdevice.hex.i ... (more)

25
views
1
vote
1
answer
Last activity 2017-09-12 23:42:10 +0200 by RHTPaul

sd_radio_request maximum rate

I am working on an application where the nRF52832 is being used to control external hardware that requires fairly precise timing. Specifically, I use sd_radio_request to allocate timeslots of 1.2 mS each. During the allocated timeslot the timer peripherals ... (more)

60
views
no
votes
no
answers
Last activity 2017-09-12 16:03:42 +0200 by Petter Myhre flag of Norway

no logs in terminal for ble_app_uart_c

I am using the nRF52832 in Rigado BMD-301 module. Updated to s132_nrf52_5.0.0 and nRF5_SDK_14.0.0_3bcc1f7, built the ble_app_uart_c without any changes and programmed it on the board using nRFgo Studio. The problem is that i cannot see ... (more)

54
views
no
votes
3
answers
Last activity 2017-09-08 13:57:07 +0200 by Starry

SDK14 52810 rtt log

I used the 52810 board, with the SDK14. I modified the 52810 according to the official website related to the relevant definition. I can run the code but it does not print. The same code is programmed on the 52832 ... (more)

98
views
no
votes
1
answer
Last activity 2017-09-08 11:16:48 +0200 by Bjørn Spockeli flag of Norway

How to disable Secure DFU Timeout?

I would like to disable the secure timeout in the bootloader for a specific condition.

I am using nrf52832 chip, sdk 12.2, softdevice s132 v3.0.0 with secure bootloader example. Any thoughts?

28
views
2
votes
1
answer
Last activity 2017-09-08 10:08:36 +0200 by Torsten Robitzki

sd_ble_gatts_rw_authorize_reply() returns NRF_ERROR_INVALID_PARAM when communicating error

Hi,

after porting an existing application from version 3.0 of the s132 SD to version 5.0, I experience, that sd_ble_gatts_rw_authorize_reply() returns NRF_ERROR_INVALID_PARAM, when I try to reply with an ATT Error Response to an ATT Write Request.

For ... (more)

68
views
no
votes
2
answers
Last activity 2017-09-06 13:05:51 +0200 by tla22

Update packet info in radio_event_handler

I work with gcc on nordic nrf52 SDK13.0.0. I see the post: https://devzone.nordicsemi.com/questi...

But if I try to change the packet in the radio_event_handler in active state, with ble_advdata_set(), I got a HardFault_Handler() interrupt.

Why?

46
views
no
votes
no
answers
Last activity 2017-09-05 11:32:03 +0200 by Torfinn Berset flag of Norway

Samsung Galaxy S8 cannot find nRF52 after Directed Advertisement

We have a discovery issue that seemingly only happens with the Samsung Galaxy S8.

We are using the nRF52832 with SoftDevice S132 v2.0.1, and do directed advertisements to the last connected peer when disconnecting. We do not use ... (more)

37
views
no
votes
no
answers
Last activity 2017-08-31 14:00:17 +0200 by Sourabh

nrf52 merging serial and ble DFU

I've merged serial dfu with ble dfu project refering to this post.

I'm getting linker errors stating no space in execution region in .ANY sector... What could be the solution to this issue?? I've tried increasing the ... (more)

114
views
no
votes
no
answers
Last activity 2017-08-31 11:02:17 +0200 by Petter Myhre flag of Norway

cannot transfer 100 bytes everytime (s132_nrf52_5.0.0+nRF5_SDK_14.0.0_3bcc1f7+ble_app_uart)

hi,everyone!

we use the example

"nRF5_SDK_14.0.0_3bcc1f7\examples\ble_peripheral\ble_app_uart\pca10040\s132"ble_app_uart,

we also defined

"#define NRF_SDH_BLE_GATT_MAX_MTU_SIZE 103" in the sdk_config.h,but we can only transfer 20 bytes everytime.

we want to transfer 100 bytes everytime ... (more)

23
views
no
votes
1
answer
Last activity 2017-08-30 09:38:06 +0200 by Martin Børs-Lind flag of Norway

Writing in SD card at fixed time-intervals by reading from ADC

Hi,

I have successfully sampled my signal using SAADC example at a sampling frequency of 10 Hz. I am using a flag in the saadc_callback() function which I read from the main() function and accordingly instruct to write the sampled ... (more)

94
views
1
vote
1
answer
Last activity 2017-08-29 18:56:53 +0200 by Sal

read back protection puts tag to high current consumption

Hi,

I am seeing an issue where after enabling read back protection (rbp) on NRF52 and using sdk 12.1 the tag goes to state where it drains a lot of current.

command used: nrfjprog -f NRF52 --rbp ALL

I ... (more)

31
views
no
votes
no
answers
Last activity 2017-08-29 13:42:44 +0200 by happykelvin

nrf52832 iic power

when we use twi to transmit data in iic mode ,the nrf52832's power is unacceptable,too high!we read and write data in 50times per second.every time, we transmit 24 byte data.the power up to 4 mA ... (more)

39
views
no
votes
1
answer
Last activity 2017-08-29 10:39:27 +0200 by Jørgen Holmefjord flag of Norway

Changing SD card configuration pins doesn't work on nrf52832

Hi, I am a beginner and trying to understand the SD card example for nrf52 DK. When I change the pins from the given configuration

#define SDC_CS_PIN ARDUINO_10_PIN
#define SDC_MOSI_PIN ARDUINO_11_PIN
#define SDC_SCK_PIN ARDUINO_13_PIN
#define SDC_MISO_PIN ARDUINO_12_PIN

to the following ... (more)

36
views
no
votes
1
answer
Last activity 2017-08-28 19:51:33 +0200 by nemunoz flag of Spain

Can't connect to Blinky application

Hi to everyone!

I have a problem when I try to connect to the Blinky application running on my nRF52dk.

My mobile phone (Nexus 5X, Android 7.1.2) is able to detect the Nordic_Blinky peripheral service on the board ... (more)

45
views
no
votes
no
answers
Last activity 2017-08-27 02:23:51 +0200 by foxble

SAADC Service Characteristic

Not sure if there is already a worked-out example of converting analog to digital data from AIN0 and then updating a characteristic with that data.

I've worked through the available examples progressively: characteristic tutorial, gpio through characteristic, and then ... (more)

26
views
no
votes
no
answers
Last activity 2017-08-23 22:53:00 +0200 by Ken

nrf_dfu_mbr_copy_sd returning NRF_ERROR_INTERNAL

We are running a nRF52832 with SD132. We are attempting to update the soft device as part of our custom boot loader with the nrf_dfu_mbr_copy_sd. It returns NRF_ERROR_INTERNAL. Is there anything that can be looked at to determine what the ... (more)

Statistics

  • Total users: 24443
  • Latest user: Latasha Preciado
  • Resolved questions: 10448
  • Unanswered questions: 3305
  • Total questions: 25453

User menu

    or sign up

Recent questions